Retina display: 13.3-inch (diagonal) LED-backlit display with IPS technology; 2560-by-1600 resolution at 227 pixels per inch with support for millions of colors

Native resolution: 2560 by 1600 pixels (Retina); scaled resolutions: 1680 by 1050, 1440 by 900, and 1024 by 640 pixels

2.6GHz dual-core Intel Core i5 processor (Turbo Boost up to 3.1GHz) with 3MB shared L3 cache

Configurable to 2.8GHz dual-core Intel Core i7 (Turbo Boost up to 3.3GHz) with 4MB shared L3 cache.

8GB of 1600MHz DDR3L onboard memory

Configurable to 16GB.

512GB

Configurable to 1TB flash storage.

• Height: 0.71 inch (1.8 cm)

• Width: 12.35 inches (31.4 cm)

• Depth: 8.62 inches (21.9 cm)

• Weight: 3.46 pounds (1.57 kg)3

Intel Iris Graphics

Dual display and video mirroring: Simultaneously supports full native resolution on the built-in display and up to 2560 by 1600 pixels on up to two external displays, both at millions of colors

Thunderbolt digital video output

• Native Mini DisplayPort output

• DVI output using Mini DisplayPort to DVI Adapter (sold separately)

• VGA output using Mini DisplayPort to VGA Adapter (sold separately)

• Dual-link DVI output using Mini DisplayPort to Dual-Link DVI Adapter (sold separately)

HDMI video output

• Support for 1080p resolution at up to 60Hz

• Support for 3840-by-2160 resolution at 30Hz